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Future wireless networks are expected to connect large-scale low-powered communication devices using the available spectrum resources. Backscatter communications (BC) is an emerging technology towards battery-free transmission in future…

Signal Processing · Electrical Eng. & Systems 2022-08-03 Wali Ullah Khan , Eva Lagunas , Asad Mahmood , Zain Ali , Symeon Chatzinotas , Björn Ottersten , Octavia A. Dobre

In this paper, a sub-uW power 802.11b backscattering transmitter is presented to enable reuse of the same incident wave for three purposes: RF harvesting, backscattering communications and position/motion sensing. The removal of the battery…

Signal Processing · Electrical Eng. & Systems 2025-08-08 Marco Privitera , Andrea Ballo , Karim Ali Ahmed , Alfio Dario Grasso , Massimo Alioto

Contact tracing promises to help fight the spread of Covid-19 via an early detection of possible contagion events. To this end, most existing solutions share the following architecture: smartphones continuously broadcast random beacons that…

Networking and Internet Architecture · Computer Science 2021-06-15 Pietro Tedeschi , Spiridon Bakiras , Roberto Di Pietro

This paper studies a fluid-antenna-enabled integrated bistatic sensing and backscatter communication system for future networks where connectivity, power delivery, and environmental awareness are jointly supported by the same…

Signal Processing · Electrical Eng. & Systems 2026-02-12 A. Abdelaziz Salem , Saeed Abdallah , Khawla Alnajjar , Mahmoud A. Albreem , Mohamed Saad , Hayssam Dahrouj , Hesham Elsawy

Internet of Things (IoT) has triggered a rapid increase in the number of connected devices and new use cases of wireless communications. To meet the new demands, the fifth generation (5G) of wireless communication systems features native…

Signal Processing · Electrical Eng. & Systems 2021-05-28 Leatile Marata , Onel Luis Alcaraz López , Eduardo Noboro Tominaga , Hirley Alves

Given the fast growth of intelligent devices, it is expected that a large number of high-stake artificial intelligence (AI) applications, e.g., drones, autonomous cars, tactile robots, will be deployed at the edge of wireless networks in…

Signal Processing · Electrical Eng. & Systems 2020-04-29 Kai Yang , Yong Zhou , Zhanpeng Yang , Yuanming Shi

This paper studies a novel cooperation method in a two-user wireless powered communication network (WPCN), in which one hybrid access point (HAP) broadcasts wireless energy to two distributed wireless devices (WDs), while the WDs use the…

Networking and Internet Architecture · Computer Science 2018-07-18 Yuan Zheng , Suzhi Bi , Xiaohui Lin

Recently, a novel ultra-low-power indoor localization system based on Zero-Energy Devices (ZEDs) has shown promising results in ambient backscatter communication. In this paper, we study detection of multiple coexisting ZEDs in ambient…

Signal Processing · Electrical Eng. & Systems 2025-10-06 Shanglin Yang , Jean-Marie Gorce , Muhammad Jehangir Khan , Dinh-Thuy Phan-Huy , Guillaume Villemaud

Attaining the vision of Smart Cities requires the deployment of an enormous number of sensors for monitoring various conditions of the environment. Backscatter-sensors have emerged to be a promising solution due to the uninterruptible…

Information Theory · Computer Science 2018-01-11 Guangxu Zhu , Seung-Woo Ko , Kaibin Huang

Ambient backscatter communication (AmBC) has been introduced to address communication and power efficiency issues for short-range and low-power Internet-of-Things (IoT) applications. On the other hand, reconfigurable intelligent surface…

Signal Processing · Electrical Eng. & Systems 2020-12-09 Mahyar Nemati , Jie Ding , Jinho Choi

In the near future, Internet-of-Things (IoT) is expected to connect billions of devices (e.g., smartphones and sensors), which generate massive real-time data at the network edge. Intelligence can be distilled from the data to support…

Information Theory · Computer Science 2019-12-04 Qiao Lan , Zezhong Zhang , Yuqing Du , Zhenyi Lin , Kaibin Huang

In recent years, there have been efforts to collect human contact traces during social events (e.g., conferences) using Bluetooth devices (e.g., mobile phones, iMotes). The results of these studies have enabled the ability to do the…

Social and Information Networks · Computer Science 2017-04-28 Phuong Nguyen , Klara Nahrstedt

We present a hybrid signaling approach to position energy-neutral devices. Our method combines the best of two worlds: instant RF signals for both communication and energy transfer, and slower propagating acoustic waves for accurate…

Signal Processing · Electrical Eng. & Systems 2020-12-04 Bert Cox , Chesney Buyle , Liesbet Van der Perre , Lieven De Strycker

This work considers a system where a dual-function radar transmitter (source) performs direct communication with a reader while simultaneously enabling ambient backscatter communication from a tag. The source embeds its message into a coded…

Signal Processing · Electrical Eng. & Systems 2026-04-20 Yubo Zhang , Luca Venturino , Xiaodong Wang

The lightweight protocols and low-power radio technologies open up many opportunities to facilitate Internet-of-Things (IoT) into our daily life, while their minimalist design also makes IoT devices vulnerable to many active attacks due to…

Cryptography and Security · Computer Science 2018-10-17 Zhiqing Luo , Wei Wang , Jun Qu , Tao Jiang , Qian Zhang

In computer vision, object detection is an important task that finds its application in many scenarios. However, obtaining extensive labels can be challenging, especially in crowded scenes. Recently, the Segment Anything Model (SAM) has…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Zhi Cai , Yingjie Gao , Yaoyan Zheng , Nan Zhou , Di Huang

In this paper, the paradigm of thermal noise communication (TherCom) is put forward for future wired/wireless networks with extremely low power consumption. Taking backscatter communication (BackCom) and reconfigurable intelligent surface…

Information Theory · Computer Science 2022-12-09 Ertugrul Basar

Next-generation wireless networks will see the convergence of communication and sensing, also exploiting the availability of large bandwidths in the Terahertz (THz) spectrum and electrically large antenna arrays on handheld devices. In…

Signal Processing · Electrical Eng. & Systems 2022-12-26 Marina Lotti , Gianni Pasolini , Anna Guerra , Francesco Guidi , Raffaele D'Errico , Davide Dardari

Social networks have an important role in an individual's health, with the propagation of health-related features through a network, and correlations between network structures and symptomatology. Using Bluetooth-enabled smartphones to…

Social and Information Networks · Computer Science 2015-08-18 Samuel Townsend , Mark E. Larsen , Tjeerd W. Boonstra , Helen Christensen

Backscatter communications (BC) has emerged as a promising technology for providing low-powered transmissions in nextG (i.e., beyond 5G) wireless networks. The fundamental idea of BC is the possibility of communications among wireless…

Signal Processing · Electrical Eng. & Systems 2022-02-04 Wali Ullah Khan , Muhammad Ali Jamshed , Asad Mahmood , Eva Lagunas , Symeon Chatzinotas , Bjorn Ottersten
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